Supported catalysts

Details Supported catalysts Supported catalysts

1993-01-11

1994-10-04

Sneed, Helen M. S.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

502300, 502304, B01J 2108

Patent

active

053526465

ABSTRACT:
Novel supported catalysts, well adapted for the catalytic conversion of exhaust gases emanating from internal combustion engines, include a porous carrier material, e.g., alumina spheres, such porous carrier material having a catalytically effective amount of at least one non-platinum group catalytically active element, e.g., cerium, essentially homogeneously concentrated throughout the depth of a defined peripheral face surface layer (outer band or ring) thereof.

REFERENCES:
patent: 2606159 (1952-08-01), Owen
patent: 2695893 (1954-11-01), Houdry
patent: 4020012 (1977-04-01), Miura et al.
patent: 4119571 (1978-10-01), Hegedus
patent: 4136063 (1979-01-01), Kimura et al.
patent: 4465789 (1984-08-01), Lindsley

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